DONNING THE FACEPIECE
P/N 595390-01 Rev D 202009 17
TIP
Ensure that the chin is properly located in the chin cup of the facepiece throughout the donning process.
6 Smooth the head harness over the head and ensure that straps are
lying smooth and flat against the head and neck with no twists. See
Figure 3-5.
7 Verify the head harness is centered and properly located at the
back and base of the head. Maintain the head harness in this
position.
Figure 3-5 Smoothing the head harness
TIP
Verify that the top center portion of the head harness is positioned over the crown of the head.
8 While holding the facepiece in place with one hand, tighten the
neck straps evenly one at a time by pulling each neck strap end
toward the rear of the head. Alternate hands to maintain the
facepiece position on the face. See Figure 3-6.
Figure 3-6 Tightening the neck straps
9 Verify the proper location of the face in the facepiece and the chin
in the chin cup. While still holding the facepiece in place with one
hand, tighten the temple straps evenly one at a time by pulling each
temple strap end toward the rear of the head. Alternate hands to
maintain the facepiece position on the face. See Figure 3-7.
Figure 3-7 Tightening the temple straps
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